Question

what do we have to drop from the ending of the organic name to attach the functional groups suffix? the -a, -e, -y from -ane, -ene, and -yne the base the -e from -ane, -ene, and -yne

Explanation:

In organic - naming conventions, when attaching a functional - group suffix to an alkane (-ane), alkene (-ene), or alkyne (-yne) name, the final -e is dropped.

Answer:

The -e from -ane, -ene, and -yne